US3118053A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite welding wire
Assignee: Kobe Steel Ltd
•
Filing: 1961-11-09
•
Granted: 1964-01-14
•
Expires: 1981-11-09
Abstract
No abstract record available.
Inventors
- 👤 Arikawa Masayasu
- 👤 Ichihara Izumi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:34
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/02; B23K35/0255; B23K35/0261; B23K35/0272; B23K35/22; B23K35/36; B23K35/368; B23K35/3601; B23K35/3602; B23K35/3608
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A WELDING WIRE, COMPRISING IN COMBINATION: (A) A SHELL FORMED FROM A SINGLE SHEET OF THIN METALLIC MATERIAL, SAID SHELL DEFINING A SPACED OUTER TUBE AND INNER TUBE CONNECTED TOGETHE AND DEFINING A SPACE THEREBETWEEN, THE FREE EDGES THEREOF ABUTTING AND DISPOSED LONGITUDINALLY OF THE INNER TUBE; (B) A CENTRAL CORE METAL WIRE DISPOSED WITHIN AND IN CLOSE CONTACT WITH SAID INNER TUBE; (C) ANOTHER SHELL CONSTRUCTED SIMILARLY AS THE FIRST MEMTIONED SHELL, BUT OF A SIZE LARGE ENOUGH TO ACCOMMODATE THE LATTER THEREIN AND BE IN CONTACT THEREWITH; AND
Claim 2
Dependent Claim
90 words
A WELDING WIRE, COMPRISING IN COMBINATION: (A) A SHELL FORMED FROM A SINGLE SHEET OF THIN METALLIC MATERIAL, SAID SHELL DEFINING A SPACED OUTER TUBE AND INNER TUBE CONNECTED TOGETHE AND DEFINING A SPACE THEREBETWEEN, THE FREE EDGES THEREOF ABUTTING AND DISPOSED LONGITUDINALLY OF THE INNER TUBE; (B) A CENTRAL CORE METAL WIRE DISPOSED WITHIN AND IN CLOSE CONTACT WITH SAID INNER TUBE; (C) ANOTHER SHELL CONSTRUCTED SIMILARLY AS THE FIRST MEMTIONED SHELL, BUT OF A SIZE LARGE ENOUGH TO ACCOMMODATE THE LATTER THEREIN AND BE IN CONTACT THEREWITH; AND
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-13 | 1967-07-15 | 1968-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-13 | 1971-07-15 | 1972-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-13 | 1975-07-15 | 1976-01-14 | $7700.00 | Window Closed / Lapsed |